<template>
  <div class="container">
    <div class="header">
      <van-icon 
        name="arrow-left" 
        @click="goBack" 
        class="header-left"
        size="30"
      />
      填写服务订单
    </div>
    <StatusBar item="0"></StatusBar>
    <van-cell class="cell">
      <template #title>
        <van-image
          width="25"
          height="25"
          :src="createInfo.service.serviceImg"
        />
        <span class="server-name">{{ createInfo.service.serviceName }}</span>
      </template>
      <template #default>
        <div class="service-text">服务内容</div>
      </template>
    </van-cell>
    <van-cell-group class="cell">
      <van-cell>
        <template #title>就诊医院</template>
        <template #default>
          <div @click="showHospital=true">
            {{ form.hospital_name || "请选择就诊医院" }}
            <van-icon name="arrow"></van-icon>
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>就诊时间</template>
        <template #default>
          <div @click="showStartTime=true">
            {{ currentDate || "请选择就诊时间" }}
            <van-icon name="arrow"></van-icon>
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>陪诊师</template>
        <template #default>
          <div @click="showCompanion=true">
            {{ companionName || "请选择陪诊师" }}
            <van-icon name="arrow"></van-icon>
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>接送地址</template>
        <template #default>
          <van-field 
            class="text"
            input-align="right"
            v-model="form.receiveAddress" 
            placeholder="请填写接送地址"
          />
        </template>
      </van-cell>
      <van-cell>
        <template #title>联系电话</template>
        <template #default>
          <van-field 
            class="text"
            input-align="right"
            v-model="form.tel" 
            placeholder="请填写联系电话"
          />
        </template>
      </van-cell>
    </van-cell-group>
    <van-cell-group title="服务需求" class="cell">
      <van-field 
        class="text"
        style="height: 100px;"
        v-model="form.demand" 
        placeholder="请简单描述您要就诊的科室..."
      />
    </van-cell-group>
    <van-button @click="submit" class="sumbit" type="primary" size="large">提交订单</van-button>
    <van-popup
      v-model:show="showHospital"
      position="bottom"
      :style="{ height: '30%' }"
    >
      <van-picker
        :columns="showHospitalColumns"
        @confirm="showHospConfirm"
        @cancel="showHospital=false"
      />
    </van-popup>
    <van-popup
      v-model:show="showStartTime"
      position="bottom"
      :style="{ height: '30%' }"
    >
      <van-date-picker
        @confirm="showTimeConfirm"
        @cancel="showStartTime=false"
        title="选择日期"
        :min-date="minDate"
      />
    </van-popup>
    <van-popup
      v-model:show="showCompanion"
      position="bottom"
      :style="{ height: '30%' }"
    >
      <van-picker
        :columns="companionColumns"
        @confirm="showCompanionConfirm"
        @cancel="showCompanion=false"
      />
    </van-popup>
    <!-- 支付二维码弹窗 -->
    <van-dialog :show-confirm-button="false" v-model:show="showCode">
      <van-icon name="cross" class="close" @click="closeCode"></van-icon>
      <div>微信支付</div>
      <van-image width="150" height="150" :src="codeImg"></van-image>
      <div>请使用本人微信扫描二维码</div>
    </van-dialog>
  </div>
</template>

<script setup>
import { useRouter } from 'vue-router';
import StatusBar from '../../components/StatusBar.vue';
import { computed, getCurrentInstance, onMounted, reactive, ref } from 'vue';
import Qrcode from 'qrcode'

// form 数据
const form = reactive({})

const showStartTime = ref(false)

const currentDate = ref()

// 获取当前vue实例
const { proxy } = getCurrentInstance()

const createInfo = reactive({
  companion: [],
  hospitals: [],
  service: {}
})

onMounted(async () => {
  const { data } = await proxy.$api.h5Companion()

  Object.assign(createInfo, data.data)
})

const router = useRouter()
// 点击返回
const goBack = () => {
  router.go(-1)
}

// 就诊医院
const showHospital = ref(false)
const showHospitalColumns = computed(() => {
  return createInfo.hospitals.map(item => {
    return { text: item.name, value: item.id}
  })
})

// 选择医院
const showHospConfirm = (item) => {
  form.hospital_id = item.selectedOptions[0].value
  form.hospital_name = item.selectedOptions[0].text
  // 关闭弹出层
  showHospital.value = false
}

// 最小日期
const minDate = ref(new Date())

// 日期提交方法
const showTimeConfirm = (item) => {
  const dateStr = item.selectedValues.join('-')
  currentDate.value = dateStr
  form.starttime = new Date(dateStr).getTime()
  showStartTime.value = false
}

// 选择陪诊师
const showCompanion = ref(false)

const companionColumns = computed(() => {
  return createInfo.companion.map(item => {
    return { text: item.name, value: item.id}
  })
})
const companionName = ref()
const showCompanionConfirm = (item) => {
  form.companion_id = item.selectedOptions[0].value
  companionName.value = item.selectedOptions[0].text
  showCompanion.value = false
}
// 支付弹窗
const showCode = ref(false)
const codeImg = ref('')
const closeCode = () => {
  showCode.value = false
  router.push('/order')
}
// 提交表单
const submit = async () => {
  const params = [
    'hospital_id',
    'hospital_name',
    'demand',
    'companion_id',
    'receiveAddress',
    'tel',
    'starttime'
  ]
  for (const i of params) {
    if (!form[i]) {
      showNotify({ message: '请把每一项都填写' });
      return
    }
  }
  const { data: orderRes } = await proxy.$api.createOrder(form)
  console.log(orderRes)
  Qrcode.toDataURL(orderRes.data.wx_code).then((url) => {
    showCode.value = true
    codeImg.value = url
  })
}
</script>

<style lang='less' scoped>
.container {
  background-color: #f0f0f0;
  height: 100vh;
}
.header {
  padding: 10px 0;
  text-align: center;
  line-height: 30px;
  font-size: 15px;
  .header-left {
    float: left;
  }
}

.cell {
  width: 95%;
  margin: 5px auto;
  background-color: #fff;
  ::v-deep(.van-field__control) {
    color: var(--van-cell-value-color);
  }
  ::v-deep(.van-cell__title) {
	display: flex;
	align-items: center;
  }
  .server-name {
	  margin-left: 10px;
  }
}
.service-text {
  background: url()
    no-repeat center center;
  background-size: 20px;
}
.sumbit {
  position: absolute;
  bottom: 0;
}
::v-deep(.van-dialog__content) {
  text-align: center;
  padding: 20px;
  .close {
    position: absolute;
    left: 20px;
  }
}
</style>